source of synonymyWesselingh, F.P. (2006). Molluscs from the Miocene Pebas Formation of Peruvian and Colombian Amazonia. <em>Scripta Geologica.</em> 133: 19-290., available online athttp://www.repository.naturalis.nl/document/41346 page(s): 61; note: synonymy implied indirectly by considering the type species to belong in Dyris[details]
redescriptionConrad, T. A. (1871). Descriptions of new fossil shells of the upper Amazon. <em>American Journal of Conchology.</em> 6: 192-198., available online athttps://www.biodiversitylibrary.org/page/15854015 page(s): 193 [details]